Chameleon

Chameleon Commit Details

Date:2010-09-01 06:26:42 (9 years 2 months ago)
Author:Azimutz
Commit:465
Parents: 464
Message:Adding extra files for AutoResolution patch. Edit libsaio/makefile accordingly; leaving "debug build" stuff out, it get's messy!
Changes:
A/branches/azimutz/Chazi/i386/libsaio/ati_resolution.c
A/branches/azimutz/Chazi/i386/libsaio/autoresolution.h
A/branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.h
A/branches/azimutz/Chazi/i386/libsaio/gma.c
A/branches/azimutz/Chazi/i386/libsaio/ati_resolution.h
A/branches/azimutz/Chazi/i386/libsaio/edid.c
A/branches/azimutz/Chazi/i386/libsaio/gma_resolution.c
A/branches/azimutz/Chazi/i386/libsaio/gma.h
A/branches/azimutz/Chazi/i386/libsaio/edid.h
A/branches/azimutz/Chazi/i386/libsaio/autoresolution.c
A/branches/azimutz/Chazi/i386/libsaio/gma_resolution.h
A/branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.c
M/branches/azimutz/Chazi/i386/libsaio/Makefile

File differences

branches/azimutz/Chazi/i386/libsaio/ati_resolution.c
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/*
* ati_resolution.c
*
*
* Created by Le Bidou on 19/03/10.
* Copyright 2010 ---. All rights reserved.
*
*/
#include "ati_resolution.h"
char detectAtiBiosType(sModeTable * table) {
return table->size % sizeof(atomModeTiming) == 0;
}
vBiosMap * openAtiVbios(vBiosMap * map, atiBiosTables atiTables)
{
/*
* Locate the Standard VESA Table
*/
atiTables.masterDataTables = (uint16_t *) &((atomMasterDataTable *) (map->biosPtr + atiTables.atomRomHeader->masterDataTableOffset))->listOfDataTables;
uint16_t stdVesaOffset = (uint16_t) ((atomMasterListOfDataTables *)atiTables.masterDataTables)->StandardVESA_Timing;
atomStandardVesaTiming * stdVesa = (atomStandardVesaTiming *) (map->biosPtr + stdVesaOffset);
// intialize the table chain with one element
sModeTable * table = intializeTables(map, 1);
table->pointer = (uint8_t *)stdVesa + sizeof(atomCommonTableHeader);
PRINT("Standard VESA Table at offset * 0x%x\n", (uint8_t)(table->pointer - map->biosPtr));
if (table->pointer == 0) {
PRINT("Unable to locate the mode table.\n");
PRINT("Please run the program 'dump_bios' as root and\n");
PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");
closeVbios(map);
return 0;
}
//Determine Size of the Table
table->size = stdVesa->header.structureSize - sizeof(atomCommonTableHeader);
/*
* Find out type of table and how many entries it has
*/
if (!detectAtiBiosType(table)) map->bios = BT_ATI_2;
if (map->bios == BT_ATI_2) {
table->modeCount = table->size / sizeof(atomDtdFormat);
map->setMode = atiSetMode_2;
PRINT("Using DTD Format modelines\n");
} else {
table->modeCount = table->size / sizeof(atomModeTiming);
map->setMode = atiSetMode_1;
PRINT("Using Atom Mode Timing modelines\n");
}
saveTables(table);
return map;
}
bool atiSetMode_1(sModeTable * table, uint8_t idx, uint32_t * x, uint32_t * y)
{
atomModeTiming *modeTiming = (atomModeTiming *) table->pointer;
// patch only if mode differs
if ((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive)) {
PRINT("Mode %dx%d -> ",modeTiming[idx].hActive, modeTiming[idx].vActive);
modeTiming[idx].hActive = *x;
modeTiming[idx].vActive = *y;
PRINT("%dx%d\n",modeTiming[idx].hActive, modeTiming[idx].vActive);
}
// since only the first mode in table is patched, this is deprecated
*x = modeTiming[idx + 1].hActive;
*y = modeTiming[idx + 1].vActive;
return TRUE;
}
bool atiSetMode_2(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)
{
atomDtdFormat *modeTiming = (atomDtdFormat *) table->pointer;
// patch only if mode differs
if ((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive)) {
PRINT("Mode %dx%d -> ", modeTiming[idx].hActive, modeTiming[idx].vActive);
modeTiming[idx].hActive = *x;
modeTiming[idx].vActive = *y;
PRINT("%dx%d\n", modeTiming[idx].hActive, modeTiming[idx].vActive);
}
// since only the first mode in table is patched, this is deprecated
*x = modeTiming[idx + 1].hActive;
*y = modeTiming[idx + 1].hActive;
return TRUE;
}
branches/azimutz/Chazi/i386/libsaio/ati_resolution.h
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/*
* ati_resolution.h
*
*
* Created by Le Bidou on 19/03/10.
* Copyright 2010 ---. All rights reserved.
*
*/
#ifndef _ATI_RESOLUTION_H_
#define _ATI_RESOLUTION_H_
#include "libsaio.h"
#include "autoresolution.h"
#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"
#define ATI_SIGNATURE2 "ATI Technologies Inc"
/****************************************************************************/
/*Shortatombios.h parts: */
/*Portion I: Definitions shared between VBIOS and Driver */
/****************************************************************************/
#define ATOM_VERSION_MAJOR 0x00020000
#define ATOM_VERSION_MINOR 0x00000002
#define ATOM_HEADER_VERSION (ATOM_VERSION_MAJOR | ATOM_VERSION_MINOR)
#pragma pack(1) /* BIOS data must use byte aligment */
/* Define offset to location of ROM header. */
#define OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER0x00000048L
#define OFFSET_TO_ATOM_ROM_IMAGE_SIZE 0x00000002L
typedef struct
{
uint16_t structureSize;
uint8_t TableFormatRevision; /*Change it when the Parser is not backward compatible */
uint8_t TableContentRevision; /*Change it only when the table needs to change but the firmware */
/*Image can't be updated, while Driver needs to carry the new table! */
}atomCommonTableHeader;
typedef struct
{
atomCommonTableHeadersHeader;
uint8_t firmWareSignature[4]; /*Signature to distinguish between Atombios and non-atombios,
atombios should init it as "ATOM", don't change the position */
uint16_t biosRuntimeSegmentAddress;
uint16_t protectedModeInfoOffset;
uint16_t configFilenameOffset;
uint16_t cRcBlockOffset;
uint16_t BiosBootupMessageOffset;
uint16_t int10Offset;
uint16_t pciBusDevInitCode;
uint16_t ioBaseAddress;
uint16_t subsystemVendorID;
uint16_t subsystemID;
uint16_t pciInfoOffset;
uint16_t masterCommandTableOffset; /*Offset for SW to get all command table offsets, Don't change the position */
uint16_t masterDataTableOffset; /*Offset for SW to get all data table offsets, Don't change the position */
uint8_t extendedFunctionCode;
uint8_t reserved;
}atomRomHeader;
/****************************************************************************/
// Structure used in Data.mtb
/****************************************************************************/
typedef struct
{
uint16_t UtilityPipeLine; // Offest for the utility to get parser info,Don't change this position!
uint16_t MultimediaCapabilityInfo; // Only used by MM Lib,latest version 1.1, not configuable from Bios, need to include the table to build Bios
uint16_t MultimediaConfigInfo; // Only used by MM Lib,latest version 2.1, not configuable from Bios, need to include the table to build Bios
uint16_t StandardVESA_Timing; // Only used by Bios
uint16_t FirmwareInfo; // Shared by various SW components,latest version 1.4
uint16_t DAC_Info; // Will be obsolete from R600
uint16_t LVDS_Info; // Shared by various SW components,latest version 1.1
uint16_t TMDS_Info; // Will be obsolete from R600
uint16_t AnalogTV_Info; // Shared by various SW components,latest version 1.1
uint16_t SupportedDevicesInfo; // Will be obsolete from R600
uint16_t GPIO_I2C_Info; // Shared by various SW components,latest version 1.2 will be used from R600
uint16_t VRAM_UsageByFirmware; // Shared by various SW components,latest version 1.3 will be used from R600
uint16_t GPIO_Pin_LUT; // Shared by various SW components,latest version 1.1
uint16_t VESA_ToInternalModeLUT; // Only used by Bios
uint16_t ComponentVideoInfo; // Shared by various SW components,latest version 2.1 will be used from R600
uint16_t PowerPlayInfo; // Shared by various SW components,latest version 2.1,new design from R600
uint16_t CompassionateData; // Will be obsolete from R600
uint16_t SaveRestoreInfo; // Only used by Bios
uint16_t PPLL_SS_Info; // Shared by various SW components,latest version 1.2, used to call SS_Info, change to new name because of int ASIC SS info
uint16_t OemInfo; // Defined and used by external SW, should be obsolete soon
uint16_t XTMDS_Info; // Will be obsolete from R600
uint16_t MclkSS_Info; // Shared by various SW components,latest version 1.1, only enabled when ext SS chip is used
uint16_t Object_Header; // Shared by various SW components,latest version 1.1
uint16_t IndirectIOAccess; // Only used by Bios,this table position can't change at all!!
uint16_t MC_InitParameter; // Only used by command table
uint16_t ASIC_VDDC_Info;// Will be obsolete from R600
uint16_t ASIC_InternalSS_Info;// New tabel name from R600, used to be called "ASIC_MVDDC_Info"
uint16_t TV_VideoMode;// Only used by command table
uint16_t VRAM_Info;// Only used by command table, latest version 1.3
uint16_t MemoryTrainingInfo;// Used for VBIOS and Diag utility for memory training purpose since R600. the new table rev start from 2.1
uint16_t IntegratedSystemInfo;// Shared by various SW components
uint16_t ASIC_ProfilingInfo;// New table name from R600, used to be called "ASIC_VDDCI_Info" for pre-R600
uint16_t VoltageObjectInfo;// Shared by various SW components, latest version 1.1
uint16_tPowerSourceInfo;// Shared by various SW components, latest versoin 1.1
}atomMasterListOfDataTables;
typedef struct
{
atomCommonTableHeaderheader;
atomMasterListOfDataTableslistOfDataTables;
}atomMasterDataTable;
typedef union
{
uint16_t usAccess;
}atomModeMiscInfoAccess;
/****************************************************************************/
// Structure used in StandardVESA_TimingTable
// AnalogTV_InfoTable
// ComponentVideoInfoTable
/****************************************************************************/
typedef struct
{
uint16_t hTotal;
uint16_t hActive;
uint16_t hSyncStart;
uint16_t hSyncWidth;
uint16_t vTotal;
uint16_t vActive;
uint16_t vSyncStart;
uint16_t vSyncWidth;
uint16_t pixelClock; //in 10Khz unit
atomModeMiscInfoAccess modeMiscInfo;
uint16_t overscanRight;
uint16_t overscanLeft;
uint16_t overscanBottom;
uint16_t overscanTop;
uint16_t teserve;
uint8_t internalModeNumber;
uint8_t refreshRate;
}atomModeTiming;
typedef struct
{
uint16_t pixelClock;
uint16_t hActive;
uint16_t hBlank;
uint16_t vActive;
uint16_t vBlank;
uint16_t hSyncOffset;
uint16_t hSyncWidth;
uint16_t vSyncOffset;
uint16_t vSyncWidth;
uint16_t imageHSize;
uint16_t imageVSize;
uint8_t hBorder;
uint8_t vBorder;
atomModeMiscInfoAccess modeMiscInfo;
uint8_t internalModeNumber;
uint8_t refreshRate;
}atomDtdFormat;
/****************************************************************************/
/*Original ati_resolution.h parts: */
/****************************************************************************/
typedef struct
{
atomCommonTableHeader header;
uint8_t * modeTimings;
}atomStandardVesaTiming;
typedef struct
{
uint8_t *base;
atomRomHeader *atomRomHeader;
uint16_t *masterCommandTables;
uint16_t *masterDataTables;
} atiBiosTables;
char detectAtiBiosType(sModeTable * table);
vBiosMap * openAtiVbios(vBiosMap * map, atiBiosTables atiTables);
bool atiSetMode_1(sModeTable* map, uint8_t idx, uint32_t* x, uint32_t* y);
bool atiSetMode_2(sModeTable* map, uint8_t idx, uint32_t* x, uint32_t* y);
#endif
branches/azimutz/Chazi/i386/libsaio/Makefile
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cpu.o platform.o acpi_patcher.o \
smbios_patcher.o fake_efi.o ext2fs.o \
hpet.o dram_controllers.o spd.o usb.o pci_setup.o \
device_inject.o nvidia.o ati.o pci_root.o \
convert.o mem.o aml_generator.o
device_inject.o nvidia.o ati.o gma.o \
gma_resolution.o ati_resolution.o nvidia_resolution.o \
pci_root.o convert.o mem.o aml_generator.o \
autoresolution.o edid.o
SAIO_EXTERN_OBJS = console.o
branches/azimutz/Chazi/i386/libsaio/gma.c
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/*
Original patch by nawcom -> http://forum.voodooprojects.org/index.php/topic,1029.msg4427.html#msg4427
*/
#include "libsaio.h"
#include "bootstruct.h"
#include "pci.h"
#include "platform.h"
#include "device_inject.h"
#include "gma.h"
#ifndef DEBUG_GMA
#define DEBUG_GMA 0
#endif
#if DEBUG_GMA
#define DBG(x...)printf(x)
#else
#define DBG(x...)
#endif
uint8_t GMAX3100_vals[22][4] = {
{ 0x01,0x00,0x00,0x00 },
{ 0x01,0x00,0x00,0x00 },
{ 0x01,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x08 },
{ 0x64,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x08 },
{ 0x01,0x00,0x00,0x00 },
{ 0x20,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 },
{ 0x01,0x00,0x00,0x00 },
{ 0x20,0x03,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 },
{ 0x08,0x52,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 },
{ 0x01,0x00,0x00,0x00 },
{ 0x01,0x00,0x00,0x00 },
{ 0x3B,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00 }
};
uint8_t reg_TRUE[] = { 0x01 ,0x00 ,0x00 ,0x00 };
uint8_t reg_FALSE[] = { 0x00,0x00,0x00,0x00 };
static struct gma_gpu_t KnownGPUS[] = {
{ 0x00000000, "Unknown" },
{ 0x808627A2, "Mobile GMA950" },
{ 0x808627AE, "Mobile GMA950" },
{ 0x808627A6, "Mobile GMA950" },
{ 0x80862772, "Desktop GMA950" },
{ 0x80862776, "Desktop GMA950" },
{ 0x80862A02, "GMAX3100" },
{ 0x80862A03, "GMAX3100" },
{ 0x80862A12, "GMAX3100" },
{ 0x80862A13, "GMAX3100" },
};
char *get_gma_model(uint32_t id) {
int i=0;
for(i = 0; i < (sizeof(KnownGPUS) / sizeof(KnownGPUS[0])); i++) {
if(KnownGPUS[i].device == id)
return KnownGPUS[i].name;
}
return KnownGPUS[0].name;
}
bool setup_gma_devprop(pci_dt_t *gma_dev)
{
//intlen;
char *devicepath;
volatile uint8_t *regs;
uint32_t bar[7];
char *model;
uint8_t BuiltIn = 0x00;
uint8_t ClassFix[4] = { 0x00, 0x00, 0x03, 0x00 };
devicepath = get_pci_dev_path(gma_dev);
bar[0] = pci_config_read32(gma_dev->dev.addr, 0x10);
regs = (uint8_t *) (bar[0] & ~0x0f);
model = get_gma_model((gma_dev->vendor_id << 16) | gma_dev->device_id);
verbose("Intel %s [%04x:%04x] :: %s\n",
model, gma_dev->vendor_id, gma_dev->device_id, devicepath);
if (!string)
string = devprop_create_string();
struct DevPropDevice *device = malloc(sizeof(struct DevPropDevice));
device = devprop_add_device(string, devicepath);
if(!device)
{
printf("Failed initializing dev-prop string dev-entry, press any key...\n");
getc();
return false;
}
devprop_add_value(device, "model", (uint8_t*)model, (strlen(model) + 1));
devprop_add_value(device, "device_type", (uint8_t*)"display", 8);
if (model == (char *)"Mobile GMA950") {
devprop_add_value(device, "AAPL,HasPanel", reg_TRUE, 4);
devprop_add_value(device, "built-in", &BuiltIn, 1);
devprop_add_value(device, "class-code", ClassFix, 4);
} else if (model == (char *)"Desktop GMA950") {
BuiltIn = 0x01;
devprop_add_value(device, "built-in", &BuiltIn, 1);
} else if (model == (char *)"GMAX3100") {
devprop_add_value(device, "AAPL,HasPanel",GMAX3100_vals[0], 4);
devprop_add_value(device, "AAPL,SelfRefreshSupported",GMAX3100_vals[1], 4);
devprop_add_value(device, "AAPL,aux-power-connected",GMAX3100_vals[2], 4);
devprop_add_value(device, "AAPL,backlight-control",GMAX3100_vals[3], 4);
devprop_add_value(device, "AAPL00,blackscreen-preferences",GMAX3100_vals[4], 4);
devprop_add_value(device, "AAPL01,BacklightIntensity",GMAX3100_vals[5], 4);
devprop_add_value(device, "AAPL01,blackscreen-preferences",GMAX3100_vals[6], 4);
devprop_add_value(device, "AAPL01,DataJustify",GMAX3100_vals[7], 4);
devprop_add_value(device, "AAPL01,Depth",GMAX3100_vals[8], 4);
devprop_add_value(device, "AAPL01,Dither",GMAX3100_vals[9], 4);
devprop_add_value(device, "AAPL01,DualLink",GMAX3100_vals[10], 4);
devprop_add_value(device, "AAPL01,Height",GMAX3100_vals[11], 4);
devprop_add_value(device, "AAPL01,Interlace",GMAX3100_vals[12], 4);
devprop_add_value(device, "AAPL01,Inverter",GMAX3100_vals[13], 4);
devprop_add_value(device, "AAPL01,InverterCurrent",GMAX3100_vals[14], 4);
devprop_add_value(device, "AAPL01,InverterCurrency",GMAX3100_vals[15], 4);
devprop_add_value(device, "AAPL01,LinkFormat",GMAX3100_vals[16], 4);
devprop_add_value(device, "AAPL01,LinkType",GMAX3100_vals[17], 4);
devprop_add_value(device, "AAPL01,Pipe",GMAX3100_vals[18], 4);
devprop_add_value(device, "AAPL01,PixelFormat",GMAX3100_vals[19], 4);
devprop_add_value(device, "AAPL01,Refresh",GMAX3100_vals[20], 4);
devprop_add_value(device, "AAPL01,Stretch",GMAX3100_vals[21], 4);
}
stringdata = malloc(sizeof(uint8_t) * string->length);
if(!stringdata)
{
printf("no stringdata press a key...\n");
getc();
return false;
}
memcpy(stringdata, (uint8_t*)devprop_generate_string(string), string->length);
stringlength = string->length;
return true;
}
branches/azimutz/Chazi/i386/libsaio/gma.h
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#ifndef __LIBSAIO_GMA_H
#define __LIBSAIO_GMA_H
bool setup_gma_devprop(pci_dt_t *gma_dev);
struct gma_gpu_t {
unsigned device;
char *name;
};
#define REG8(reg) ((volatile uint8_t *)regs)[(reg)]
#define REG16(reg) ((volatile uint16_t *)regs)[(reg) >> 1]
#define REG32(reg) ((volatile uint32_t *)regs)[(reg) >> 2]
#endif /* !__LIBSAIO_GMA_H */
branches/azimutz/Chazi/i386/libsaio/autoresolution.c
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/* Copied from 915 resolution created by steve tomljenovic
*
* This code is based on the techniques used in :
*
* - 855patch. Many thanks to Christian Zietz (czietz gmx net)
* for demonstrating how to shadow the VBIOS into system RAM
* and then modify it.
*
* - 1280patch by Andrew Tipton (andrewtipton null li).
*
* - 855resolution by Alain Poirier
*
* This source code is into the public domain.
*/
#include "libsaio.h"
#include "autoresolution.h"
#include "nvidia_resolution.h"
#include "ati_resolution.h"
#include "gma_resolution.h"
#include "../boot2/graphics.h"
char * chipsetTypeNames[] = {
"UNKNOWN", "830", "845G", "855GM", "865G", "915G", "915GM", "945G", "945GM", "945GME",
"946GZ", "955X", "G965", "Q965", "965GM", "975X",
"P35", "X48", "B43", "Q45", "P45", "GM45", "G41", "G31", "G45", "500"
};
uint32_t getChipsetId(void)
{
outl(0xcf8, 0x80000000);
return inl(0xcfc);
}
chipsetType getChipset(uint32_t id)
{
chipsetType type;
switch (id)
{
case 0x35758086:
type = CT_830;
break;
case 0x25608086:
type = CT_845G;
break;
case 0x35808086:
type = CT_855GM;
break;
case 0x25708086:
type = CT_865G;
break;
case 0x25808086:
type = CT_915G;
break;
case 0x25908086:
type = CT_915GM;
break;
case 0x27708086:
type = CT_945G;
break;
case 0x27748086:
type = CT_955X;
break;
case 0x277c8086:
type = CT_975X;
break;
case 0x27a08086:
type = CT_945GM;
break;
case 0x27ac8086:
type = CT_945GME;
break;
case 0x29708086:
type = CT_946GZ;
break;
case 0x29a08086:
type = CT_G965;
break;
case 0x29908086:
type = CT_Q965;
break;
case 0x2a008086:
type = CT_965GM;
break;
case 0x29e08086:
type = CT_X48;
break;
case 0x2a408086:
type = CT_GM45;
break;
case 0x2e108086:
case 0X2e908086:
type = CT_B43;
break;
case 0x2e208086:
type = CT_P45;
break;
case 0x2e308086:
type = CT_G41;
break;
case 0x29c08086:
type = CT_G31;
break;
case 0x29208086:
type = CT_G45;
break;
case 0x81008086:
type = CT_500;
break;
default:
type = CT_UNKWN;
break;
}
return type;
}
void gtfTimings(uint32_t x, uint32_t y, uint32_t freq,
uint32_t *clock,
uint16_t *hSyncStart, uint16_t *hSyncEnd, uint16_t *hBlank,
uint16_t *vSyncStart, uint16_t *vSyncEnd, uint16_t *vBlank)
{
uint32_t hbl, vbl, vfreq;
vbl = y + (y+1)/(20000/(11*freq) - 1) + 1;
vfreq = vbl * freq;
hbl = 16 * (int)(x * (30 - 300000 / vfreq) /
+ (70 + 300000 / vfreq) / 16 + 0);
*vSyncStart = y;
*vSyncEnd = y + 3;
*vBlank = vbl;
*hSyncStart = x + hbl / 2 - (x + hbl + 50) / 100 * 8 ;
*hSyncEnd = x + hbl / 2;
*hBlank = x + hbl;
*clock = (x + hbl) * vfreq / 1000;
}
void getAspectRatio(sAspect* aspect, uint32_t x, uint32_t y)
{
if ((y * 16 / 9) == x)
{
aspect->width = 16;
aspect->height = 9;
}
else if ((y * 16 / 10) == x)
{
aspect->width = 16;
aspect->height = 10;
}
else if ((y * 5 / 4) == x)
{
aspect->width = 5;
aspect->height = 4;
}
else if ((y * 15 / 9) == x)
{
aspect->width = 15;
aspect->height = 9;
}
else
{
aspect->width = 4;
aspect->height = 3;
}
PRINT("Aspect Ratio is %d/%d\n", aspect->width, aspect->height);
}
/*
* initialize the mode tables chain
* tablesCount represents the number of VESA tables in the vBios
* return value is a pointer to the first table
*/
sModeTable * intializeTables(vBiosMap * map, int tablesCount) {
map->modeTables = (sModeTable *)malloc(sizeof(sModeTable));
sModeTable * table = map->modeTables;
PRINT("Creating %d Mode Tables\n", tablesCount);
int i = tablesCount;
while ( i != 0 )
{
table->id = tablesCount - i;
PRINT("New table with id : %d\n", table->id);
// opening the chain if it's the first table
if (i == tablesCount)
table->prev = NULL;
else // attache the table to the chain
table->prev = table;
//if there is more than one table, alloc the next one
if (i > 1)
{
table->next = (sModeTable *)malloc(sizeof(sModeTable));
table = table->next;
}
else // no more table, close the chain
table->next = NULL;
i--;
}
return map->modeTables;
}
void closeVbios(vBiosMap * map);
vBiosMap * openVbios(chipsetType forcedChipset)
{
uint32_t z;
vBiosMap * map = NEW(vBiosMap);
for(z = 0; z < sizeof(vBiosMap); z++)
((char*)map)[z] = 0;
/*
* Determine chipset
*/
if (forcedChipset == CT_UNKWN)
{
map->chipsetId = getChipsetId();
map->chipset = getChipset(map->chipsetId);
PRINT("Chipset is %s (pci id 0x%x)\n",chipsetTypeNames[map->chipset], map->chipsetId);
}
else if (forcedChipset != CT_UNKWN)
{
map->chipset = forcedChipset;
}
else
{
map->chipset = CT_915GM;
}
/*
* Map the video bios to memory
*/
map->biosPtr=(uint8_t*)VBIOS_START;
/*
* Common initialisation
*/
map->hasSwitched = false;
/*
* check if we have ATI Radeon and open atombios
*/
atiBiosTables atiTables;
atiTables.base = map->biosPtr;
atiTables.atomRomHeader = (atomRomHeader *) (map->biosPtr + *(uint16_t *) (map->biosPtr + OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER));
if (strcmp ((char *) atiTables.atomRomHeader->firmWareSignature, "ATOM") == 0)
{
map->bios = BT_ATI_1;
PRINT("We have an AtomBios Card\n");
return openAtiVbios(map, atiTables);
}
/*
* check if we have NVidia
*/
if (map->bios != BT_ATI_1)
{
int i = 0;
while (i < 512) // we don't need to look through the whole bios, just the first 512 bytes
{
if ((map->biosPtr[i] == 'N')
&& (map->biosPtr[i+1] == 'V')
&& (map->biosPtr[i+2] == 'I')
&& (map->biosPtr[i+3] == 'D'))
{
map->bios = BT_NVDA;
PRINT("We have an NVIDIA Card\n");
return openNvidiaVbios(map);
break;
}
i++;
}
}
/*
* check if we have Intel
*/
if ((map->bios != BT_ATI_1) && (map->bios != BT_NVDA))
{
int i = 0;
while (i < VBIOS_SIZE)
{
if ((map->biosPtr[i] == 'I')
&& (map->biosPtr[i+1] == 'n')
&& (map->biosPtr[i+2] == 't')
&& (map->biosPtr[i+3] == 'e')
&& (map->biosPtr[i+4] == 'l'))
{
map->bios = BT_1;
PRINT("We have an Intel Card\n");
saveVbios(map);
return openIntelVbios(map);
break;
}
i++;
}
}
/*
* Unidentified Chipset
*/
if ( (map->chipset == CT_UNKWN) || ((map->bios != BT_ATI_1) && (map->bios != BT_NVDA) && (map->bios != BT_1)) )
{
PRINT("Unknown chipset type and unrecognized bios.\n");
PRINT("autoresolution only works with Intel 800/900 series graphic chipsets.\n");
PRINT("Chipset Id: %x\n", map->chipsetId);
closeVbios(map);
return 0;
}
/*
* Should never get there
*/
return 0;
}
void closeVbios(vBiosMap * map)
{
PRINT("Closing VBios\n");
//make sure to turn autoResolution off
if (gAutoResolution == TRUE)
gAutoResolution = FALSE;
// if we saved the vBios, free the copy
if (map->biosBackupPtr != NULL)
{
PRINT("Freeing biosBackupPtr\t");
FREE(map->biosBackupPtr);
PRINT("[OK]\n");
}
// free table backups if any
sModeTable * table = map->modeTables;
while (table != NULL)
{
if (table->backup != NULL)
{
PRINT("Table #%d : Freeing backup\t", table->id);
FREE(table->backup);
PRINT("[OK]\n");
}
if (table != NULL)
{
PRINT("Table #%d : Freeing\t\t", table->id);
FREE(table);
PRINT("[OK]\n");
}
if (table->next == NULL)
break;
table = table->next;
}
PRINT("Freeing map\t\t\t");
FREE(map);
PRINT("[OK]\n");
}
void unlockVbios(vBiosMap * map)
{
map->unlocked = TRUE;
switch (map->chipset)
{
case CT_UNKWN:
break;
case CT_830:
case CT_855GM:
outl(0xcf8, 0x8000005a);
map->b1 = inb(0xcfe);
outl(0xcf8, 0x8000005a);
outb(0xcfe, 0x33);
break;
case CT_845G:
case CT_865G:
case CT_915G:
case CT_915GM:
case CT_945G:
case CT_945GM:
case CT_945GME:
case CT_946GZ:
case CT_955X:
case CT_G965:
case CT_Q965:
case CT_965GM:
case CT_975X:
case CT_P35:
case CT_X48:
case CT_B43:
case CT_Q45:
case CT_P45:
case CT_GM45:
case CT_G41:
case CT_G31:
case CT_G45:
case CT_500:
outl(0xcf8, 0x80000090);
map->b1 = inb(0xcfd);
map->b2 = inb(0xcfe);
outl(0xcf8, 0x80000090);
outb(0xcfd, 0x33);
outb(0xcfe, 0x33);
break;
}
#if DEBUG
{
uint32_t t = inl(0xcfc);
PRINT("unlock PAM: (0x%08x)\n", t);
}
#endif
}
void relockVbios(vBiosMap * map)
{
map->unlocked = FALSE;
switch (map->chipset)
{
case CT_UNKWN:
break;
case CT_830:
case CT_855GM:
outl(0xcf8, 0x8000005a);
outb(0xcfe, map->b1);
break;
case CT_845G:
case CT_865G:
case CT_915G:
case CT_915GM:
case CT_945G:
case CT_945GM:
case CT_945GME:
case CT_946GZ:
case CT_955X:
case CT_G965:
case CT_Q965:
case CT_965GM:
case CT_975X:
case CT_P35:
case CT_X48:
case CT_B43:
case CT_Q45:
case CT_P45:
case CT_GM45:
case CT_G41:
case CT_G31:
case CT_G45:
case CT_500:
outl(0xcf8, 0x80000090);
outb(0xcfd, map->b1);
outb(0xcfe, map->b2);
break;
}
#if DEBUG
{
uint32_t t = inl(0xcfc);
PRINT("relock PAM: (0x%08x)\n", t);
}
#endif
}
/*
* saveVbios - save the entire vBios in case the patch has to be removed
*/
void saveVbios(vBiosMap * map)
{
map->biosBackupPtr = malloc(VBIOS_SIZE);
bcopy((const uint8_t *)0xC0000, map->biosBackupPtr, VBIOS_SIZE);
}
/*
* restoreVbios - restore the vBios backup or table backups if any
*/
void restoreVbios(vBiosMap * map)
{
if ((map->bios == BT_ATI_1) || (map->bios == BT_ATI_2) || (map->bios == BT_NVDA))
{
restoreTables(map, map->modeTables);
}
else
{
unlockVbios(map);
bcopy(map->biosBackupPtr,(uint8_t *)0xC0000, VBIOS_SIZE);
relockVbios(map);
}
}
/*
* saveTables - save the tables in case the patch has to be removed
*/
void saveTables(sModeTable * table)
{
while (table != NULL)
{
table->backup = (uint8_t *)malloc(table->size);
bcopy((const uint8_t *)table->pointer, table->backup, table->size);
table = table->next;
}
}
/*
* restoreTables - restore tables backup
*/
void restoreTables(vBiosMap * map, sModeTable * table)
{
unlockVbios(map);
while (table != NULL)
{
bcopy(table->backup, (uint8_t *)table->pointer, table->size);
table = table->next;
}
relockVbios(map);
}
/*
* patchVbios - call the vendor specific function to patch the VESA tables
* x & y are horizontal and vertical dimensions respectively, in pixels
* for GMA and ATI, only first mode in Table is patched
*
* each vendor specific function have the same form :
* bool vendorSetMode_type(sModeTable * table, uint8_t index, uint32_t * x, uint32_t * y);
* where 'table' is the VESA table to patch, 'index' is the index of the mode in table,
* 'x' & 'y' are pointer to the target resolution and return the next resolution in table.
*/
void patchVbios(vBiosMap * map, uint32_t x, uint32_t y, uint32_t bp, uint32_t hTotal, uint32_t vTotal)
{
uint32_t i = 0;
sModeTable * table = map->modeTables;
// save the target resolution for future use
map->currentX = x;
map->currentY = y;
unlockVbios(map);
// Get the aspect ratio for the requested mode
getAspectRatio(&map->aspectRatio, x, y);
i = 0;
// Call the vendor specific function for each available VESA Table
table = map->modeTables;
while (table != NULL)
{
//reset resolution value before treating a new table
x = map->currentX;
y = map->currentY;
PRINT("Patching Table #%d : \n", table->id);
map->setMode(table, i, &x, &y);
#ifdef AUTORES_DEBUG
getc();
#endif
table = table->next;
}
relockVbios(map);
return;
}
branches/azimutz/Chazi/i386/libsaio/autoresolution.h
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/* Copied from 915 resolution created by steve tomljenovic
*
* This code is based on the techniques used in :
*
* - 855patch. Many thanks to Christian Zietz (czietz gmx net)
* for demonstrating how to shadow the VBIOS into system RAM
* and then modify it.
*
* - 1280patch by Andrew Tipton (andrewtipton null li).
*
* - 855resolution by Alain Poirier
*
* This source code is into the public domain.
*/
#ifndef __915_RESOLUTION_H
#define __915_RESOLUTION_H
#include "edid.h"
#if DEBUG
#ifndef AUTORES_DEBUG
#define AUTORES_DEBUG
#endif
#endif
#ifdef AUTORES_DEBUG
#define PRINT(a, b...) printf(a, ##b);
#else
#define PRINT(a, b...) verbose(a, ##b);
#endif
#define __packed __attribute__((packed))
#define NEW(a) ((a *)(malloc(sizeof(a))))
#define FREE(a) (free(a))
#define VBIOS_START 0xc0000
#define VBIOS_SIZE 0x10000
#define FALSE 0
#define TRUE 1
bool gAutoResolution;
typedef struct
{
uint8_t width;
uint8_t height;
} sAspect;
typedef enum
{
CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G,
CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ,
CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X,
CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,
CT_GM45, CT_G41, CT_G31, CT_G45, CT_500
} chipsetType;
typedef enum
{
BT_UNKWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA
} biosType;
typedef struct
{
uint32_tclock;
uint16_tx;
uint16_thSyncStart;
uint16_thSyncEnd;
uint16_thTotal;
uint16_ty;
uint16_tvSyncStart;
uint16_tvSyncEnd;
uint16_tvTotal;
} generic_modeline;
typedef struct sModeTable_
{
uint8_t*pointer;
uint8_tid;
uint32_tsize;
uint32_tmodeCount;
uint8_t *backup;
struct sModeTable_ *prev;
struct sModeTable_ *next;
} sModeTable;
typedef struct
{
uint32_t chipsetId;
chipsetType chipset;
biosType bios;
uint8_t* biosBackupPtr;
uint8_t* biosPtr;
sModeTable *modeTables;
uint32_t currentX, currentY;
uint8_t b1, b2;
bool hasSwitched;
bool (*setMode)(sModeTable *,uint8_t,uint32_t*,uint32_t*);
sAspect aspectRatio;
uint8_t unlocked;
} vBiosMap;
vBiosMap *map;
vBiosMap * openVbios(chipsetType type);
void closeVbios (vBiosMap* map);
void unlockVbios(vBiosMap* map);
void relockVbios(vBiosMap* map);
void saveVbios(vBiosMap* map);
void restoreVbios(vBiosMap* map);
void saveTables(sModeTable * table);
void restoreTables(vBiosMap * map, sModeTable * table);
void gtfTimings(uint32_t x, uint32_t y, uint32_t freq,
uint32_t *clock,
uint16_t *hSyncStart, uint16_t *hSyncEnd, uint16_t *hBlank,
uint16_t *vSyncStart, uint16_t *vSyncEnd, uint16_t *vBlank);
sModeTable * intializeTables(vBiosMap * map, int tablesCount);
void patchVbios(vBiosMap* map, uint32_t x, uint32_t y, uint32_t bp, uint32_t hTotal, uint32_t vTotal);
#endif
branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.c
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/*
* nvidia_resolution.c
*
*
* Created by Le Bidou on 19/03/10.
* Copyright 2010 ---. All rights reserved.
*
*/
#include "nvidia_resolution.h"
vBiosMap * openNvidiaVbios(vBiosMap *map)
{
unsigned short nvDataTableOffset = 0;
unsigned short nvModeline_2_Offset = 0;
unsigned short * nvDataTable = NULL;
nvVesaTable * stdVesa;
// initialize the table chain with two elements
sModeTable * table = intializeTables(map, 2);
/*
* Locate the VESA Tables
*/
int i = 0;
//First VESA Table
while (i < 0x300) //We don't need to look for the table in the whole bios, the 768 first bytes only
{
if ((map->biosPtr[i] == 0x44)
&& (map->biosPtr[i+1] == 0x01)
&& (map->biosPtr[i+2] == 0x04)
&& (map->biosPtr[i+3] == 0x00)) {
nvDataTableOffset = (unsigned short) (map->biosPtr[i+4] | (map->biosPtr[i+5] << 8));
break;
}
i++;
}
nvDataTable = (unsigned short *) (map->biosPtr + (nvDataTableOffset + OFFSET_TO_VESA_TABLE_INDEX));
stdVesa = (nvVesaTable *) (map->biosPtr + *nvDataTable);
table->pointer = (uint8_t *) stdVesa + sizeof(nvCommonTableHeader);
printf("First Standard VESA Table at offset 0x%x\n",(unsigned int) (table->pointer - map->biosPtr));
//Second VESA Table
while (i < VBIOS_SIZE) //We don't know how to locate it other way
{
if ((map->biosPtr[i] == 0x40) && (map->biosPtr[i+1] == 0x01) //this is the first 320x200 modeline.
&& (map->biosPtr[i+2] == 0xC8) && (map->biosPtr[i+3] == 0x00)
&& (map->biosPtr[i+4] == 0x28)
&& (map->biosPtr[i+5] == 0x18)
&& (map->biosPtr[i+6] == 0x08)
&& (map->biosPtr[i+7] == 0x08))
{
nvModeline_2_Offset = (unsigned short) i;
break;
}
i++;
}
if (nvModeline_2_Offset == (VBIOS_SIZE-1) || nvModeline_2_Offset == 0)
{
//If no second vesa table is available, free the corresponding table in chain
free(table->next);
table->next = NULL;
PRINT("There is no Second Standard VESA Table to patch\n");
}
else
{
table = table->next;
table->pointer = map->biosPtr + nvModeline_2_Offset;
PRINT("Second Standard VESA Table at offset 0x%x\n", (unsigned int)(table->pointer - map->biosPtr));
}
if (table->prev->pointer == NULL)
{
PRINT("Unable to locate the mode table.\n");
PRINT("Please run the program 'dumpBios' as root and\n");
PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");
closeVbios(map);
return 0;
}
// reset the table pointer to the first in chain
table = map->modeTables;
/*
* for each table in chain, figure out how many modes are available
* and what is the size of the table
*/
while (table != NULL)
{
table->modeCount = 0;
PRINT("Table #%d has ", table->id);
if (table->id == MAIN_VESA_TABLE)
{
table->modeCount = stdVesa->header.tableSize & 0xff;
if (table->modeCount == 0) table->modeCount = 16;
table->size = table->modeCount * sizeof(nvModeline);
}
if (table->id == SECOND_VESA_TABLE)
{
nvModeline_2 * modePtr = (nvModeline_2 *)table->pointer;
while (1)
{
if (modePtr[table->modeCount].hActive > 2048) break;
table->modeCount++;
}
if (table->modeCount == 0) table->modeCount = 31;
table->size = table->modeCount * sizeof(nvModeline_2);
}
PRINT("%d modes\n", table->modeCount);
table = table->next;
}
map->setMode = nvidiaSetMode;
saveTables(map->modeTables);
#ifdef AUTORES_DEBUG
PRINT("Press Any Key...\n");
getc();
#endif
return map;
}
bool nvidiaSetMode(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)
{
//In First VESA table, only first mode in table is patched
if (table->id == MAIN_VESA_TABLE)
{
nvModeline * modeTiming = (nvModeline *)table->pointer;
// patch only if mode differs and if the mode to patch isn't a console mode
if (((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive))
&& (modeTiming[idx].hActive > 100))
{
PRINT("Mode %dx%d -> ", modeTiming[idx].hActive, modeTiming[idx].vActive);
if (modeTiming[idx].hActive != *x)
{
modeTiming[idx].hActive = *x;
modeTiming[idx].hActiveMinusOne = *x - 1;
modeTiming[idx].hActiveMinusOne_ = *x - 1;
}
modeTiming[idx].vActive = *y;
modeTiming[idx].vActiveMinusOne = *y - 1;
modeTiming[idx].vActiveMinusOne_ = *y - 1;
PRINT("%dx%d (%d %d %d %d %d %d)\n",
modeTiming[idx].hActive,
modeTiming[idx].vActive,
modeTiming[idx].hSyncStart,
modeTiming[idx].hSyncEnd,
modeTiming[idx].hTotal,
modeTiming[idx].vSyncStart,
modeTiming[idx].vSyncEnd,
modeTiming[idx].vTotal);
}
//Since we are only patching the first mode, this deprecated
*x = modeTiming[idx + 1].hActive;
*y = modeTiming[idx + 1].vActive;
}
if (table->id == SECOND_VESA_TABLE)
{
nvModeline_2 * modeTiming = (nvModeline_2 *) table->pointer;
int h = *y;
int w = *x;
while (idx < table->modeCount)
{
*y = *x * h / w;
//patch only different mode in table except console modes and 320 wide modes
if (((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive))
&& (modeTiming[idx].hActive > 400))
{
PRINT("Mode %dx%d -> ", modeTiming[idx].hActive, modeTiming[idx].vActive);
if (modeTiming[idx].hActive != *x)
modeTiming[idx].hActive = *x;
modeTiming[idx].vActive = *y;
PRINT("%dx%d (%d %d %d %d ",
modeTiming[idx].hActive,
modeTiming[idx].vActive,
modeTiming[idx].hActive + modeTiming[idx].hSyncOffset,
modeTiming[idx].hActive + modeTiming[idx].hSyncOffset + modeTiming[idx].hSyncWidth,
modeTiming[idx].hActive + modeTiming[idx].hBlank,
modeTiming[idx].vActive + modeTiming[idx].vBlank);
if ((modeTiming[idx].flags & HSyncPolarityMask) == HSyncPolarityMask)
{PRINT("H- ");}
else
{PRINT("H+ ");}
if ((modeTiming[idx].flags & VSyncPolarityMask) == VSyncPolarityMask)
{PRINT("V-)\n");}
else
{PRINT("V+)\n");}
}
//returns the next mode in table
*x = modeTiming[idx + 1].hActive;
*y = modeTiming[idx + 1].vActive;
idx++;
}
}
return TRUE;
}
branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.h
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/*
* nviviaresolution.h
*
*
* Created by Le Bidou on 19/03/10.
* Copyright 2010 ---. All rights reserved.
*
*/
#ifndef _NVDA_RESOLUTION_HEADER_
#define _NVDA_RESOLUTION_HEADER_
#include "libsaio.h"
#include "autoresolution.h"
#define NVIDIA_SIGNATURE "NVIDIA Corp"
#define OFFSET_TO_VESA_TABLE_INDEX 2
#define MAIN_VESA_TABLE 0
#define SECOND_VESA_TABLE 1
#define HSyncPolarityMask0x4
#define VSyncPolarityMask0x2
#define isGraphicsModeMask0x1
typedef struct {
unsigned chartableMajor; //These names are probably wrong
unsigned chartableMinor;
unsigned chartableRev;
unsigned shorttableSize;
}__packed nvCommonTableHeader;
typedef struct {
unsigned shortclock;
unsigned shorthActive;
unsigned short hActiveMinusOne;
unsigned shortreserved1;
unsigned short hActiveMinusOne_;
unsigned shorthSyncStart;
unsigned shorthSyncEnd;
unsigned shorthTotal;
unsigned shortvActive;
unsigned short vActiveMinusOne;
unsigned shortreserved2;
unsigned short vActiveMinusOne_;
unsigned shortvSyncStart;
unsigned shortvSyncEnd;
unsigned shortvTotal;
unsigned shortreserved3;
}__packed nvModeline;
typedef struct {
unsigned short hActive;
unsigned short vActive;
unsigned char hBlank;
unsigned char hSyncOffset;
unsigned char hSyncWidth;
unsigned char vBlank;
//unsigned char vSyncwidth;
unsigned char flags; //looks like flags & 1 means "Graphics Mode", to oppose to "Console Mode"
//on 7xxx the high four bits look like a mode id number.
//on 8xxx only the low four bits are used, standard graphics mode are always 5.
//it can be 1 (1400x1050 and 2048x1536) (HSync High, VSync High ?)
// 3 (1440x900, 1680x1050 and 1920x1200) (HSync High, VSync Low ?)
// 5 (Standard Timings) (HSync Low, VSync High ?)
// or 7 (1280x800 and 768x340) (HSync Low, VSync Low ?)
}__packed nvModeline_2;
typedef struct {
nvCommonTableHeaderheader;
nvModeline*modelines;
}__packed nvVesaTable;
vBiosMap * openNvidiaVbios(vBiosMap *map);
bool nvidiaSetMode(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);
#endif
branches/azimutz/Chazi/i386/libsaio/edid.c
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/*
* edid.c
*
*
* Created by Evan Lojewski on 12/1/09.
* Copyright 2009. All rights reserved.
*
*/
#include "libsaio.h"
#include "edid.h"
#include "vbe.h"
#include "bootstruct.h"
#include "graphics.h"
#include "boot.h"
//static biosBuf_t bb;
UInt32 xResolution = 0;
UInt32 yResolution = 0;
UInt32 bpResolution = 0;
void getResolution(UInt32* params)
{
unsigned char* edidInfo = readEDID();
if(!edidInfo) {
xResolution = 1024;
yResolution = 768;
bpResolution = 32;
free( edidInfo );
} else {
// TODO: check *all* resolutions reported and eithe ruse the highest, or the native resolution (if there is a flag for that)
xResolution = edidInfo[56] | ((edidInfo[58] & 0xF0) << 4);
yResolution = edidInfo[59] | ((edidInfo[61] & 0xF0) << 4);
bpResolution = 32;// assume 32bits
free( edidInfo );
// Mode Sanity check
if ((xResolution < 1024) || !yResolution || !xResolution)
{
xResolution = 1024;
yResolution = 768;
}
params[0] = xResolution;
params[1] = yResolution;
params[2] = bpResolution;
}
}
unsigned char* readEDID()
{
SInt16 last_reported = -1;
UInt8 edidInfo[EDID_BLOCK_SIZE];
//UInt8 pointer;
UInt8 header1[] = {0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00};
UInt8 header2[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
int status;
unsigned int blocks_left = 1;
do
{
// TODO: This currently only retrieves the *last* block, make the block buffer expand as needed / calculated from the first block
bzero( edidInfo, EDID_BLOCK_SIZE);
status = getEDID(edidInfo, blocks_left);
//printf("Buffer location: 0x%X\n", SEG(buffer) << 16 | OFF(buffer));
/*
int j, i;
for (j = 0; j < 8; j++) {
for(i = 0; i < 16; i++) printf("0x%X ", ebiosInfo[((i+1) * (j + 1)) - 1]);
}
printf("\n");
*/
if(status == 0)
{
//if( edidInfo[0] == 0x00 || edidInfo[0] == 0xFF)
if((memcmp(edidInfo, header1, sizeof(header1)) != 0) ||
(memcmp(edidInfo, header2, sizeof(header2)) != 0) )
{
blocks_left--;
int reported = edidInfo[ EDID_V1_BLOCKS_TO_GO_OFFSET ];
if ( reported > blocks_left )
{
printf("EDID claims %d more blocks left\n", reported);
}
if ( (last_reported <= reported && last_reported != -1)
|| reported == 0xff
/* 0xff frequently comes up in corrupt edids */
//|| reported == MAGIC
)
{
printf("Last reported %d\n", last_reported);
printf( "EDID blocks left is wrong.\n"
"Your EDID is probably invalid.\n");
return 0;
}
else
{
//printf("Reading EDID block\n");
//printf("H Active = %d", ebiosInfo[56] | ((ebiosInfo[58] & 0xF0) << 4) );
//printf("V Active = %d", ebiosInfo[59] | ((ebiosInfo[61] & 0xF0) << 4) );
last_reported = reported;
blocks_left = reported;
}
}
else
{
printf("Invalid block %d\n", blocks_left);
printf("Header1 = %d", memcmp(edidInfo, header1, sizeof(header1)) );
printf("Header2 = %d", memcmp(edidInfo, header2, sizeof(header2)) );
return 0;
}
} else {
return 0;
}
blocks_left = 0;
} while(blocks_left);
UInt8* ret = malloc(sizeof(edidInfo));
memcpy(ret, edidInfo, sizeof(edidInfo));
return (ret);
}
branches/azimutz/Chazi/i386/libsaio/edid.h
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/*
* edid.h
*
*
* Created by Evan Lojewski on 12/1/09.
* Copyright 2009. All rights reserved.
*
*/
#ifndef _EDID_H
#define _EDID_H
#define EDID_BLOCK_SIZE128
#define EDID_V1_BLOCKS_TO_GO_OFFSET 126
#define SERVICE_REPORT_DDC0
#define SERVICE_READ_EDID1
#define SERVICE_LAST1 // Read VDIF has been removed from the spec.
#define FUNC_GET_EDID0x4F15
typedef struct _edid_mode {
unsigned short pixel_clock;
unsigned short h_active;
unsigned short h_blanking;
unsigned short v_active;
unsigned short v_blanking;
unsigned short h_sync_offset;
unsigned short h_sync_width;
unsigned short v_sync_offset;
unsigned short v_sync_width;
}edid_mode;
unsigned char* readEDID();
void getResolution(UInt32* params);
#endif
branches/azimutz/Chazi/i386/libsaio/gma_resolution.c
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/*
* gmaResolution.c
*
*
* Created by Le Bidou on 19/03/10.
* Copyright 2010 ---. All rights reserved.
*
*/
#include "gma_resolution.h"
char * biosTypeNames[] = {"UNKNOWN", "TYPE 1", "TYPE 2", "TYPE 3"};
int freqs[] = { 60, 75, 85 };
vbiosResolutionType1 * mapType1Resolution(vBiosMap * map, uint16_t res)
{
vbiosResolutionType1 * ptr = ((vbiosResolutionType1*)(map->biosPtr + res));
return ptr;
}
vbiosResolutionType2 * mapType2Resolution(vBiosMap * map, uint16_t res)
{
vbiosResolutionType2 * ptr = ((vbiosResolutionType2*)(map->biosPtr + res));
return ptr;
}
vbiosResolutionType3 * mapType3Resolution(vBiosMap * map, uint16_t res)
{
vbiosResolutionType3 * ptr = ((vbiosResolutionType3*)(map->biosPtr + res));
return ptr;
}
char detectBiosType(vBiosMap * map, char modeline, int entrySize)
{
uint32_t i;
uint16_t r1, r2;
vbiosMode * modeTable = (vbiosMode *)map->modeTables->pointer;
r1 = r2 = 32000;
for (i=0; i < map->modeTables->size; i++)
{
if (modeTable[i].resolution <= r1)
r1 = modeTable[i].resolution;
else if (modeTable[i].resolution <= r2)
r2 = modeTable[i].resolution;
}
return (r2-r1-6) % entrySize == 0;
}
vBiosMap * openIntelVbios(vBiosMap *map)
{
/*
* Find the location of the Mode Table
*/
unsigned char* p = map->biosPtr + 16;
unsigned char* limit = map->biosPtr + VBIOS_SIZE - (3 * sizeof(vbiosMode));
// initialize the table chain with one element
sModeTable * table = intializeTables(map, 1);
while (p < limit && table->pointer == 0)
{
vbiosMode* modePtr = (vbiosMode*) p;
if (((modePtr[0].mode & 0xf0) == 0x30) && ((modePtr[1].mode & 0xf0) == 0x30) &&
((modePtr[2].mode & 0xf0) == 0x30) && ((modePtr[3].mode & 0xf0) == 0x30))
{
table->pointer = (uint8_t *)modePtr;
}
p++;
}
if (table->pointer == 0)
{
PRINT("Unable to locate the mode table.\n");
PRINT("Please run the program 'dump_bios' as root and\n");
PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");
closeVbios(map);
return 0;
}
PRINT("Mode Table at offset : 0x%x\n", (table->pointer) - map->biosPtr);
/*
* Determine size of mode table
*/
vbiosMode * modePtr = (vbiosMode *)table->pointer;
while (modePtr->mode != 0xff)
{
table->size++;
modePtr++;
}
table->modeCount = table->size;
PRINT("Mode Table size : %d\n", table->modeCount);
/*
* Figure out what type of bios we have
* order of detection is important
*/
if (detectBiosType(map, TRUE, sizeof(vbiosModelineType3)))
{
map->bios = BT_3;
map->setMode = intelSetMode_3;
PRINT("Bios Type : BT_3\n");
}
else if (detectBiosType(map, TRUE, sizeof(vbiosModelineType2)))
{
map->bios = BT_2;
map->setMode = intelSetMode_2;
PRINT("Bios Type : BT_2\n");
}
else if (detectBiosType(map, FALSE, sizeof(vbiosResolutionType1)))
{
map->bios = BT_1;
map->setMode = intelSetMode_1;
PRINT("Bios Type : BT_1\n");
}
else
{
PRINT("Unable to determine bios type.\n");
PRINT("Please run the program 'dump_bios' as root and\n");
PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");
return 0;
}
return map;
}
bool intelSetMode_1(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)
{
vbiosMode *modeTiming = (vbiosMode *) table->pointer;
vbiosResolutionType1 * res = mapType1Resolution(map, modeTiming[idx].resolution);
//retreive the original mode's dimensions
uint32_t actualX = ((res->hActive2 & 0xf0) << 4) | (res->hActive1 & 0xff);
uint32_t actualY = ((res->vActive2 & 0xf0) << 4) | (res->vActive1 & 0xff);
// patch only if mode differs
if ((*x != actualX) || (*y != actualY))
{
PRINT("Mode %dx%d -> ", actualX, actualY);
res->hActive2 = (res->hActive2 & 0x0f) | ((*x >> 4) & 0xf0);
res->hActive1 = (*x & 0xff);
res->vActive2 = (res->hActive2 & 0x0f) | ((*y >> 4) & 0xf0);
res->vActive1 = (*y & 0xff);
uint32_t actualX = ((res->hActive2 & 0xf0) << 4) | (res->hActive1 & 0xff);
uint32_t actualY = ((res->vActive2 & 0xf0) << 4) | (res->vActive1 & 0xff);
PRINT("%dx%d \n", actualX, actualY);
}
//since only the first mode is patched, this is deprecated
res = mapType1Resolution(map, modeTiming[idx + 1].resolution);
actualX = ((res->hActive2 & 0xf0) << 4) | (res->hActive1 & 0xff);
actualY = ((res->vActive2 & 0xf0) << 4) | (res->vActive1 & 0xff);
*x = actualX;
*y = actualY;
return true;
}
bool intelSetMode_2(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)
{
uint32_t xprev, yprev, j = 0;
vbiosMode *modeTiming = (vbiosMode *) table->pointer;
vbiosResolutionType2 * res = mapType2Resolution(map, modeTiming[idx].resolution);
//patch only if mode differs
if ((*x != (res->modelines[0].hActive1 + 1))
||(*y != (res->modelines[0].vActive1 + 1)) )
{
PRINT("Mode %dx%d -> ", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);
res->xChars = *x / 8;
res->yChars = *y / 16 - 1;
xprev = res->modelines[0].hActive1;
yprev = res->modelines[0].vActive1;
// recalculate timigs for all frequencies and patch
for(j = 0; j < 3; j++)
{
vbiosModelineType2 * mode = &res->modelines[j];
if (mode->hActive1 == xprev && mode->vActive1 == yprev)
{
mode->hActive1 = mode->hActive2 = *x - 1;
mode->vActive1 = mode->vActive2 = *y - 1;
gtfTimings(*x, *y, freqs[j], &mode->clock,
&mode->hSyncStart, &mode->hSyncEnd,
&mode->hBlank, &mode->vSyncStart,
&mode->vSyncEnd, &mode->vBlank);
mode->hTotal = mode->hBlank;
mode->vTotal = mode->vBlank;
}
}
PRINT("%dx%d\n", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);
}
//since only the first mode is patched, this is deprecated
res = mapType2Resolution(map, modeTiming[idx + 1].resolution);
*x = res->modelines[0].hActive1 + 1;
*y = res->modelines[0].vActive1 + 1;
return true;
}
bool intelSetMode_3(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)
{
uint32_t xprev, yprev, j = 0;
vbiosMode *modeTiming = (vbiosMode *) table->pointer;
vbiosResolutionType3 * res = mapType3Resolution(map, modeTiming[idx].resolution);
// patch only if mode differs
if ((*x != (res->modelines[0].hActive1 + 1))
||(*y != (res->modelines[0].vActive1 + 1)) )
{
PRINT("Mode %dx%d -> ", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);
xprev = res->modelines[0].hActive1;
yprev = res->modelines[0].vActive1;
// recalculate timings for all frequencies and patch
for(j = 0; j < 3; j++) {
vbiosModelineType3 * mode = &res->modelines[j];
if (mode->hActive1 == xprev && mode->vActive1 == yprev)
{
mode->hActive1 = mode->hActive2 = *x - 1;
mode->vActive1 = mode->vActive2 = *y - 1;
gtfTimings(*x, *y, freqs[j], &mode->clock,
&mode->hSyncStart, &mode->hSyncEnd,
&mode->hBlank, &mode->vSyncStart,
&mode->vSyncEnd, &mode->vBlank);
mode->hTotal = mode->hBlank;
mode->vTotal = mode->vBlank;
mode->timingH = *y-1;
mode->timingV = *x-1;
}
}
PRINT("%dx%d\n", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);
}
//since only the first mode is patched, this is deprecated
res = mapType3Resolution(map, modeTiming[idx + 1].resolution);
*x = res->modelines[0].hActive1 + 1;
*y = res->modelines[0].vActive1 + 1;
return true;
}
branches/azimutz/Chazi/i386/libsaio/gma_resolution.h
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/*
* gma_resolution.h
*
*
* Created by Le Bidou on 19/03/10.
* Copyright 2010 ---. All rights reserved.
*
*/
#ifndef _GMA_RESOLUTION_H_
#define _GMA_RESOLTUION_H_
#include "libsaio.h"
#include "autoresolution.h"
#define MODE_TABLE_OFFSET_845G 617
#define INTEL_SIGNATURE "Intel Corp"
typedef struct {
uint8_t mode;
uint8_t bitsPerPixel;
uint16_t resolution;
uint8_t unknown;
} __packed vbiosMode;
typedef struct {
uint8_t unknow1[2];
uint8_t hActive1;
uint8_t xTotal;
uint8_t hActive2;
uint8_t vActive1;
uint8_t yTotal;
uint8_t vActive2;
} __packed vbiosResolutionType1;
typedef struct {
uint32_t clock;
uint16_t hActive1;
uint16_t hTotal;
uint16_t hActive2;
uint16_t hBlank;
uint16_t hSyncStart;
uint16_t hSyncEnd;
uint16_t vActive1;
uint16_t vTotal;
uint16_t vActive2;
uint16_t vBlank;
uint16_t vSyncStart;
uint16_t vSyncEnd;
} __packed vbiosModelineType2;
typedef struct {
uint8_t xChars;
uint8_t yChars;
uint8_t unknown[4];
vbiosModelineType2 modelines[];
} __packed vbiosResolutionType2;
typedef struct {
uint32_t clock;
uint16_t hActive1;
uint16_t hTotal;
uint16_t hActive2;
uint16_t hBlank;
uint16_t hSyncStart;
uint16_t hSyncEnd;
uint16_t vActive1;
uint16_t vTotal;
uint16_t vActive2;
uint16_t vBlank;
uint16_t vSyncStart;
uint16_t vSyncEnd;
uint16_t timingH;
uint16_t timingV;
uint8_t unknown[6];
} __packed vbiosModelineType3;
typedef struct {
unsigned char unknown[6];
vbiosModelineType3 modelines[];
} __packed vbiosResolutionType3;
vbiosResolutionType1 * mapType1Resolution(vBiosMap * map, uint16_t res);
vbiosResolutionType2 * mapType2Resolution(vBiosMap * map, uint16_t res);
vbiosResolutionType3 * mapType3Resolution(vBiosMap * map, uint16_t res);
char detectBiosType(vBiosMap * map, char modeline, int entrySize);
vBiosMap * openIntelVbios(vBiosMap *);
bool intelSetMode_1(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);
bool intelSetMode_2(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);
bool intelSetMode_3(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);
#endif

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